anonymous
  • anonymous
simplify (x^1/4)^4/9
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
jim_thompson5910
  • jim_thompson5910
use the rule (a^b)^c = a^(b*c)
anonymous
  • anonymous
x^7/36?
jim_thompson5910
  • jim_thompson5910
how are you getting 7?

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More answers

anonymous
  • anonymous
4?
jim_thompson5910
  • jim_thompson5910
is 1/4 really 7/4?
anonymous
  • anonymous
over 13
jim_thompson5910
  • jim_thompson5910
all you need to do is multiply the exponents 1/4 and 4/9
jim_thompson5910
  • jim_thompson5910
make sure to reduce as much as possible
anonymous
  • anonymous
would it be 4/13?
jim_thompson5910
  • jim_thompson5910
no
anonymous
  • anonymous
25/36
jim_thompson5910
  • jim_thompson5910
hopefully you're not just guessing the answer choices
anonymous
  • anonymous
9*4=36
jim_thompson5910
  • jim_thompson5910
good
jim_thompson5910
  • jim_thompson5910
the numerators multiply to ?
anonymous
  • anonymous
4
jim_thompson5910
  • jim_thompson5910
so it's 4/36 which reduces to what?
anonymous
  • anonymous
1/9
jim_thompson5910
  • jim_thompson5910
thats the exponent of the answer
anonymous
  • anonymous
how abou ths one? Simplify (7 – 2i) – (3 + 9i)
jim_thompson5910
  • jim_thompson5910
Hint: (7 – 2i) – (3 + 9i) = 7 – 2i – 3 - 9i
anonymous
  • anonymous
4-11i
jim_thompson5910
  • jim_thompson5910
good
jim_thompson5910
  • jim_thompson5910
don't forget, when you're distributing that negative through, it has to go to each term inside
anonymous
  • anonymous
solve sqrt x+3-3=x
jim_thompson5910
  • jim_thompson5910
sqrt(x+3) - 3 = x sqrt(x+3) = x+3 x+3 = (x+3)^2 x+3 = x^2+6x+9 I'll let you finish
anonymous
  • anonymous
x=-2 x=-3
jim_thompson5910
  • jim_thompson5910
now check those potential answers
anonymous
  • anonymous
-3 doesnt work
jim_thompson5910
  • jim_thompson5910
whys that
anonymous
  • anonymous
wait -3=-3
jim_thompson5910
  • jim_thompson5910
so that confirms -3
jim_thompson5910
  • jim_thompson5910
what about -2
anonymous
  • anonymous
the both work
jim_thompson5910
  • jim_thompson5910
yep
jim_thompson5910
  • jim_thompson5910
sometimes only one works or sometimes none work, so that's why you need to check both
anonymous
  • anonymous
Explain, in complete sentences, how you might show that radicals should be simplified before being added or subtracted to another radical.
jim_thompson5910
  • jim_thompson5910
what do you think on this one
anonymous
  • anonymous
i honestly dont knoe
jim_thompson5910
  • jim_thompson5910
well think about it for a sec
jim_thompson5910
  • jim_thompson5910
how would you simplify any radical
anonymous
  • anonymous
square root
jim_thompson5910
  • jim_thompson5910
yes how would you simplify those
anonymous
  • anonymous
umm
anonymous
  • anonymous
i dont understand
jim_thompson5910
  • jim_thompson5910
how would you simplify something like sqrt(48)
anonymous
  • anonymous
square 48
jim_thompson5910
  • jim_thompson5910
If you're not sure, this page explains how to simplify radicals http://www.regentsprep.org/Regents/math/ALGEBRA/AO1/Lsimplify.htm

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